Aerobic step bench



FIG. 1 is a perspective view of an aerobic step bench showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof, the side opposite being a mirror image;

FIG. 5 is an end elevational view thereof, the end opposite being a mirror image;

FIG. 6 is a perspective view of a modified embodiment of the design shown in FIGS. 1 through 5;

FIG. 7 is a front elevational view thereof, the side opposite being a mirror image;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an end elevational view thereof, the end opposite being a mirror image. 

The ornamental design for an aerobic step bench, as shown and described. 